Home / 9,255.12-13,888.08-3,711.12

Finding the Fourth Proportional to 9,255.12, 13,888.08 and 3,711.12

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Solution

The fourth proportional to 9,255.12, 13,888.08 and 3,711.12 is: 5,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.12 : 13,888.08 = 3,711.12 : x
  2. Step 2: Convert to fraction form
    9,255.12/13,888.08 = 3,711.12/x
  3. Step 3: Cross multiply
    9,255.12x = 13,888.08 × 3,711.12
  4. Step 4: Simplify right side
    9,255.12x = 51,540,331.45
  5. Step 5: Solve for x
    x = 51,540,331.45/9,255.12
  6. Step 6: Final answer
    x = 5,568.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.